September 2025
Beginner to intermediate
386 pages
9h 49m
English
Content preview from The Definitive Guide to OpenSearch
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OpenSearch Vectors and Generative AI
Over the last few decades, OpenSearch, along with open source solutions such as Apache Lucene, Apache Solr, and Elasticsearch, and commercial solutions such as FAST, Autonomy, and Endeca, were the ways that companies built and provided search in applications and websites. All of these solutions operated by providing (at least) textual matching—searchers would type some words, perhaps use some facets, and the search engine would employ text matching to retrieve results. As the technology matured, search engines added additional capabilities for geographic information, expanded numeric capabilities, and even analytics on top of numeric data.
The last few years have seen a profound shift in how people access ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.